Make sure to remember your password. If you forget it there is no way for StudyStack
to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password.
For details read our
Privacy Policy and
Terms of Service.

To flip the current card, click it or press the Spacebar key.
To move the current card to one of the three colored boxes, click on the box. You may also
press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to
move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.
You may also click on the card displayed in any of the three boxes to bring that card back to the
center.

Chapter 2, Matter and Change: vocab and key ideas

a property that depends on the amount of matter in a sample. Mass and volume are both examples of extensive properties.

What is an intensive property?

a property that depends on the type of matter in a sample, not the amount of matter.

Matter that has a uniform definite composition is known as what?

a substance.

Every sample of a given substance has identical __________ properties because every sample has the same composition.

intensive

What are physical properties?

a quality or condition of a substance that can be observed or measured without changing the substances composition.

What are the three states of matter?

solid, liquid, and gas

What is a solid?

a form of matter that has a definite shape and volume. Solids expand only slightly when heated, and the particles in a solid are tightly packed together.

What is a liquid?

a form of matter that has an indefinite shape, flows, yet has a fixed volume. Liquids expand slightly when heated.

What is gas?

a form of matter that takes both the shape and volume of its containers. Particles in gas are usually much father apart than the particles in liquid, so it is easier to compress the particles in a smaller container.

What does the word vapor describe?

vapor describes the gaseous state of a substance that is generally a liquid or solid at room temperature, as in water vapor.

What happens during a physical change? What does not?

during a physical change some properties of a material change, but the composition of the material does NOT.

What are the two classifications for physical changes?

reversible and irreversible.

All physical changes that involve a change from one form to another are ___________ .